The content of the invention
In order to solve the above problems, the invention provides a kind of PDA information notification control method, introducing is targetedly schemedThe image of environment as where processing equipment obtains PDA, introduces real time environment analytical equipment, for the image to environment where PDACarry out image data extraction, to determine PDA present environmental form, with send indoor environment signal, outdoor environment signal,Pocket carries ambient signal or dark surrounds signal, and PDA present environmental form includes indoor environment, outdoor environment, mouthBag carries environment and dark surrounds, also introduces MSP430 single-chip microcomputers, respectively with the real time environment analytical equipment and the temperatureDetection device connection is spent, is come for when receiving close to human body temperature signal, starting the high-definition camera, and receivingWhen carrying ambient signal from the pocket of real time environment analytical equipment, PDA is controlled to improve PDA information notification voice.
According to an aspect of the present invention, there is provided a kind of PDA information notification control method, methods described include：Use realityShi Liangdu detection devices, including light quantity measuring instrument and brightness output interface, the light quantity measuring instrument are used to detect current light in real timeLine strength, the brightness output interface are connected with the light quantity measuring instrument, for exporting the current light intensity in real time；UseReference value determines equipment, for obtaining the current time, is connected with the real-time luminosity detection device, for described currentMoment is axis, obtains maximum, average and the variance of the current light intensity, and based on the current light intensity mostThe reference value that big value, average and variance are obtained using the current time as variable quantity determines function.
More specifically, in the PDA information notification control method, in addition to：Using timing device, for determining and defeatedGo out current time；Temperature in use detection device, is arranged on PDA and the heater element away from PDA, for detecting PDA temperature, andPDA temperature is determined whether close to human body temperature, correspondingly to send close to human body temperature signal or away from human body temperature signal.
More specifically, in the PDA information notification control method, in addition to：Using high-definition camera, PDA is arranged onOn, captured for carrying out high-definition image to the environment residing for PDA to obtain and export high-definition image.
More specifically, in the PDA information notification control method, in addition to：Using amplitude of variation analytical equipment, it is used forHigh-definition image is received, for the pixel value of each pixel in high-definition image, its pixel value is subtracted into the descending pixel of its same columnPixel value after the difference that obtains do square to obtain the first square value, its pixel value is subtracted to the pixel of its following pixel of going togetherThe difference obtained after value is done square to obtain the second square value, being obtained after the first square value is added with the second square value and enterRow evolution is to obtain amplitude of variation；Wherein, the amplitude of variation of each pixel of last column of high-definition image is directly takenThe amplitude of variation of the same column pixel of a line, the amplitude of variation of each pixel of last row of high-definition image directly take oneThe amplitude of variation of colleague's pixel of row.
More specifically, in the PDA information notification control method, in addition to：
Using graduation processing equipment, it is connected with the amplitude of variation analytical equipment, for for every in high-definition imageThe pixel value of one pixel, it is right by the default amplitude of variation threshold value being inversely proportional with sharpening level compared with its amplitude of variationIt is more than or equal to each pixel of default amplitude of variation threshold value in amplitude of variation, processing is sharpened to its pixel value to be handledPixel value afterwards, each pixel of default amplitude of variation threshold value is less than to amplitude of variation, directly using its pixel value as handling afterPixel value, the pixel value after the processing of all pixels in high-definition image forms graduation processing figure corresponding to high-definition imagePicture；Using space conversion equipment, for receiving processing image of classifying, it is empty that RGB color is performed to the graduation processing imageBetween to YUV color spaces signal change, with obtain it is described graduation handle image Y-component, U components and V component；
Using brightness regulation equipment, equipment and space conversion are determined with the timing device, the reference value respectivelyEquipment connects, and the current time for being exported based on the timing device determines that the reference value determines the functional value of function, andThe functional value for determining function using the reference value of determination is corrected to the V component；Using conversion output equipment, with instituteThe connection of brightness regulation equipment is stated, for performing YUV color spaces to RGB face based on the V component after U components, V component and correctionThe signal conversion of the colour space, and the image obtained after signal is changed carries out gamma-corrected to obtain and export gamma-corrected figurePicture；Using real time environment analytical equipment, it is connected with conversion output equipment, is carried for carrying out view data to gamma-corrected imageTake, to determine PDA present environmental form, environment letter is carried to send indoor environment signal, outdoor environment signal, pocketNumber or dark surrounds signal, PDA present environmental form include indoor environment, outdoor environment, pocket and carry environment and blackDark situation；
Using MSP430 single-chip microcomputers, it is connected, uses with the real time environment analytical equipment and the temperature testing equipment respectivelyWhen receiving close to human body temperature signal, start the high-definition camera, and set from real time environment analysis receivingWhen standby pocket carries ambient signal, PDA is controlled to improve PDA information notification voice；
Wherein, MSP430 single-chip microcomputers are additionally operable to, when receiving away from human body temperature signal, close the high-definition camera.
More specifically, in the PDA information notification control method, in addition to：Using LCDs, PDA is arranged onOn, it is connected respectively with temperature testing equipment, real time environment analytical equipment and MSP430 single-chip microcomputers, for real-time display PDA temperatureAnd PDA present environmental form；Wherein, the LCDs is additionally operable to the information for the PDA that real-time display is enhancedVolume corresponding to notification voice.
Embodiment
The embodiment of the PDA information notification control methods of the present invention is described in detail below with reference to accompanying drawings.
With the explosive growth of science and technology, PDA performance has obtained rapidly improving.Into in the 1990s, American-EuropeanStart open PDA occur, most people are referred to as palm PC.
The characteristics of palm PC maximum is that have open operating system, support software and hardware upgrading, collect information input,One is stored, managed and be transmitted to, possesses the powers such as conventional office, amusement, mobile communication.Therefore, PDA completely can be withA referred to as mobile office.Certainly, it is not that any PDA possesses all of above function；Even if possess, it is also possible to due to lackingWeary corresponding service and can not realize.But it is contemplated that PDA development trend and trend be exactly calculate, communicate, network, storage,The multi-functional fusion such as amusement, ecommerce.
In fact for the definite definition of palm PC also neither one, also notepad is referred to as palm PC by someone, typicallyIn the case of palm PC refer to carry PalmOS, WindowsCE or other open operating systems that there is network function, andAnd software and hardware upgrading can freely be carried out by user.That is, user in addition to development hardware, can also install software additional,Program oneself can be even developed to operate above at it.
Using upper, his, conveniently moving more simple to operate than desktop computer, practical function, eliminate desktop computer five are bigLimitation, i.e.,：Mobile restricted, the complexity, the difficulty of mobile networking, the costliness of price, the idle property of purposes that use.
PDA is often placed in pocket by user and misses some important incoming calls or important information, in order to overcome it is above-mentioned notFoot, the present invention have built a kind of PDA information notice control device and method, and concrete scheme is as follows.
Fig. 1 notifies the block diagram of control device, described device for the PDA information according to embodiment of the present inventionIncluding：
Real-time luminosity detection device, including light quantity measuring instrument and brightness output interface, the light quantity measuring instrument are used for real-timeCurrent light intensity is detected, the brightness output interface is connected with the light quantity measuring instrument, for exporting the current light in real timeLine strength；
Reference value determines equipment, for obtaining the current time, is connected with the real-time luminosity detection device, forThe current time is axis, obtains maximum, average and the variance of the current light intensity, and be based on the current lightThe reference value that maximum, average and the variance of intensity are obtained using the current time as variable quantity determines function.
Then, continue that the concrete structure of the PDA information notice control device of the present invention is further detailed.
It can also include in the PDA information notice control device：
Timing device, for determining and exporting current time；
Temperature testing equipment, is arranged on PDA and the heater element away from PDA, for detecting PDA temperature, and determines PDAWhether temperature is close to human body temperature, correspondingly to send close to human body temperature signal or away from human body temperature signal.
It can also include in the PDA information notice control device：
High-definition camera, it is arranged on PDA, for carrying out high-definition image capture to the environment residing for PDA to obtain and defeatedGo out high-definition image.
It can also include in the PDA information notice control device：
Amplitude of variation analytical equipment, for receiving high-definition image, for the pixel value of each pixel in high-definition image,Its pixel value is subtracted to the difference obtained after the pixel value of the descending pixel of its same column to do square to obtain the first square value, by its picturePlain value subtracts the difference obtained after the pixel value of its following pixel of colleague and done square to obtain the second square value, by the first square valueIt is being obtained after being added with the second square value and carry out evolution to obtain amplitude of variation；
Wherein, the amplitude of variation of each pixel of last column of high-definition image directly takes the same column pixel of lastrowAmplitude of variation, the amplitude of variation of each pixel of last row of high-definition image directly takes the colleague pixel of previous columnAmplitude of variation.
It can also include in the PDA information notice control device：
Graduation processing equipment, is connected with the amplitude of variation analytical equipment, for for each in high-definition imageThe pixel value of pixel, by the default amplitude of variation threshold value being inversely proportional with sharpening level compared with its amplitude of variation, for becomingChange amplitude is more than or equal to each pixel of default amplitude of variation threshold value, after processing is sharpened to its pixel value to be handledPixel value, each pixel of default amplitude of variation threshold value is less than to amplitude of variation, directly using its pixel value as the picture after processingElement is worth, and the pixel value after the processing of all pixels in high-definition image forms graduation processing image corresponding to high-definition image；
Space conversion equipment, for receiving processing image of classifying, it is empty that RGB color is performed to the graduation processing imageBetween to YUV color spaces signal change, with obtain it is described graduation handle image Y-component, U components and V component；
Brightness regulation equipment, determine equipment and the space conversion equipment with the timing device, the reference value respectivelyConnection, the current time for being exported based on the timing device determines that the reference value determines the functional value of function, and usesThe reference value determined determines that the functional value of function is corrected to the V component；
Output equipment is changed, is connected with the brightness regulation equipment, for based on the V after U components, V component and correctionThe signal that component performs YUV color spaces to RGB color is changed, and the image obtained after signal is changed carries out gamma and repaiiedJust to obtain and export gamma-corrected image；
Real time environment analytical equipment, it is connected with conversion output equipment, is carried for carrying out view data to gamma-corrected imageTake, to determine PDA present environmental form, environment letter is carried to send indoor environment signal, outdoor environment signal, pocketNumber or dark surrounds signal, PDA present environmental form include indoor environment, outdoor environment, pocket and carry environment and blackDark situation；
MSP430 single-chip microcomputers, be connected respectively with the real time environment analytical equipment and the temperature testing equipment, forWhen receiving close to human body temperature signal, start the high-definition camera, and receiving from real time environment analytical equipmentWhen pocket carries ambient signal, PDA is controlled to improve PDA information notification voice；
Wherein, MSP430 single-chip microcomputers are additionally operable to, when receiving away from human body temperature signal, close the high-definition camera.
And it can also include in the PDA information notice control device：
LCDs, it is arranged on PDA, it is mono- with temperature testing equipment, real time environment analytical equipment and MSP430 respectivelyPiece machine connects, for real-time display PDA temperature and PDA present environmental form；
Wherein, the LCDs is additionally operable to the sound corresponding to the information notification voice for the PDA that real-time display is enhancedAmount.
Fig. 2 is the step flow chart of PDA information notification control methods according to embodiment of the present invention, methods describedIncluding：
Using real-time luminosity detection device, including light quantity measuring instrument and brightness output interface, the light quantity measuring instrument is used forDetection current light intensity, the brightness output interface are connected with the light quantity measuring instrument in real time, for exporting described work as in real timePreceding light intensity；
Equipment is determined using reference value, and the timing device, for obtaining the current time, with the real-time luminosityDetection device connects, for using the current time as axis, obtaining maximum, average and the side of the current light intensityDifference, and the maximum based on the current light intensity, average and variance obtain the reference using the current time as variable quantityValue determines function.
Then, continue that the specific steps of the PDA information notification control methods of the present invention are further detailed.
The PDA information notification control method can also include：
Using timing device, for determining and exporting current time；
Temperature in use detection device, is arranged on PDA and the heater element away from PDA, for detecting PDA temperature, and reallyWhether PDA temperature is determined close to human body temperature, correspondingly to send close to human body temperature signal or away from human body temperature signal.
The PDA information notification control method can also include：
Using high-definition camera, it is arranged on PDA, is captured for carrying out high-definition image to the environment residing for PDA to obtainAnd export high-definition image.
The PDA information notification control method can also include：
Using amplitude of variation analytical equipment, for receiving high-definition image, for the picture of each pixel in high-definition imageElement value, its pixel value is subtracted to the difference obtained after the pixel value of the descending pixel of its same column and done square to obtain the first square value,Its pixel value is subtracted to the difference obtained after the pixel value of its following pixel of going together to do square to obtain the second square value, by firstIt is that square value obtains after being added with the second square value and carry out evolution to obtain amplitude of variation；
Wherein, the amplitude of variation of each pixel of last column of high-definition image directly takes the same column pixel of lastrowAmplitude of variation, the amplitude of variation of each pixel of last row of high-definition image directly takes the colleague pixel of previous columnAmplitude of variation.
The PDA information notification control method can also include：
Using graduation processing equipment, it is connected with the amplitude of variation analytical equipment, for for every in high-definition imageThe pixel value of one pixel, it is right by the default amplitude of variation threshold value being inversely proportional with sharpening level compared with its amplitude of variationIt is more than or equal to each pixel of default amplitude of variation threshold value in amplitude of variation, processing is sharpened to its pixel value to be handledPixel value afterwards, each pixel of default amplitude of variation threshold value is less than to amplitude of variation, directly using its pixel value as handling afterPixel value, the pixel value after the processing of all pixels in high-definition image forms graduation processing figure corresponding to high-definition imagePicture；
Using space conversion equipment, for receiving processing image of classifying, RGB face is performed to the graduation processing imageThe colour space is changed to the signal of YUV color spaces, to obtain Y-component, U components and the V component that the graduation handles image；
Using brightness regulation equipment, equipment and space conversion are determined with the timing device, the reference value respectivelyEquipment connects, and the current time for being exported based on the timing device determines that the reference value determines the functional value of function, andThe functional value for determining function using the reference value of determination is corrected to the V component；
Using conversion output equipment, it is connected with the brightness regulation equipment, after based on U components, V component and correctionV component perform YUV color spaces to RGB color signal change, and obtained after signal is changed image progress galHorse amendment is to obtain and export gamma-corrected image；
Using real time environment analytical equipment, it is connected with conversion output equipment, for carrying out picture number to gamma-corrected imageAccording to extraction, to determine PDA present environmental form, ring is carried to send indoor environment signal, outdoor environment signal, pocketBorder signal or dark surrounds signal, PDA present environmental form include indoor environment, outdoor environment, pocket and carry environmentAnd dark surrounds；
Using MSP430 single-chip microcomputers, it is connected, uses with the real time environment analytical equipment and the temperature testing equipment respectivelyWhen receiving close to human body temperature signal, start the high-definition camera, and set from real time environment analysis receivingWhen standby pocket carries ambient signal, PDA is controlled to improve PDA information notification voice；
Wherein, MSP430 single-chip microcomputers are additionally operable to, when receiving away from human body temperature signal, close the high-definition camera.
And the PDA information notification control method can also include：
Using LCDs, be arranged on PDA, respectively with temperature testing equipment, real time environment analytical equipment andMSP430 single-chip microcomputers connect, for real-time display PDA temperature and PDA present environmental form；
Wherein, the LCDs is additionally operable to the sound corresponding to the information notification voice for the PDA that real-time display is enhancedAmount.
In addition, GPS location instrument can also be included in the PDA, to determine PDA current location using GPS location instrument.
GPS is the abbreviation of English Global Positioning System (global positioning system).GPS originates in 1958One project of year US military, comes into operation for 1964.In the 1970s, land, sea, and air of U.S. joint research and development new oneFor Global Positioning System.Main purpose is that real-time, round-the-clock and global navigation clothes are provided for three big field of land, sea and airBusiness, and for some military purposes such as information gathering, Nuclear detonation monitoring and emergency communications, by the research experiment in more than 20 years, cost30000000000 dollars, by 1994, own lay of 24 gps satellite constellations that Global coverage rate is up to 98% was completed.
Utilize GPS positioning satellite, the referred to as system positioned in real time in the world, navigated, global positioning satelliteSystem, abbreviation GPS.GPS is to develop the one kind established by U.S. Department of Defense to have comprehensive, round-the-clock, all the period of time, high-precisionSatellite navigation system, the navigation such as low cost, high accuracy three-dimensional position, speed and accurate timing letter can be provided for Global SubscriberBreath, is application examples of the communication technology of satellite in navigation field, and it drastically increases the level of IT application of Terre des Hommes's meeting, effectivelyGround has promoted the development of digital economy.
Control device and method is notified using the PDA information of the present invention, it is difficult for the various use environments of PDA in the prior artWith the technical problem of detection, by introducing amplitude of variation analytical equipment, graduation processing equipment, space conversion equipment, brightness tuneThe electronic equipment such as section equipment and conversion output equipment provides the important references view data for carrying out environment discriminating, so as to standardThe various use environments of PDA are really obtained, and the volume of incoming call or information is improved when in pocket, so as to improve PDA intelligent waterIt is flat.
It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used toLimit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,Many possible changes and modifications are all made to technical solution of the present invention using the technology contents of the disclosure above, or are revised asWith the equivalent embodiment of change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present inventionAny simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protectionIt is interior.